3. Develop Doppler OCT to measure retinal perfusion. One of the significant achievements of the AIG project is the demonstration of a reproducible method of measuring total retinal blood flow using Doppler FD-OCT. Reduced flow was found in glaucomatous eyes, opening an important new approach to measure the severity of glaucoma and assess the risk for further progression. An automated algorithm will be developed to improve the robustness of Doppler flow measurement. We will also investigate Doppler OCT with the ultrafast FDML-OCT system.